Home / 8,816.45-12,165.92-5,038.87

Finding the Fourth Proportional to 8,816.45, 12,165.92 and 5,038.87

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Solution

The fourth proportional to 8,816.45, 12,165.92 and 5,038.87 is: 6,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.45 : 12,165.92 = 5,038.87 : x
  2. Step 2: Convert to fraction form
    8,816.45/12,165.92 = 5,038.87/x
  3. Step 3: Cross multiply
    8,816.45x = 12,165.92 × 5,038.87
  4. Step 4: Simplify right side
    8,816.45x = 61,302,403.29
  5. Step 5: Solve for x
    x = 61,302,403.29/8,816.45
  6. Step 6: Final answer
    x = 6,953.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.